Britt Lisa P. 4

What Happened

• Lisa P. Britt, Senior Vice President and Chief Human Resources Officer at Thermo Fisher Scientific (TMO), had shares withheld/surrendered to cover tax liabilities related to equity compensation. Two withholding transactions on Feb 28, 2026 disposed of a total of 348.079 shares at $521.11 per share, totaling about $181,387.

Key Details

• Transaction date: 2026-02-28
• Details:
  • 262.670 shares withheld/disposed at $521.11 each = $136,880
  • 85.409 shares withheld/disposed at $521.11 each = $44,507
  • Combined: 348.079 shares ≈ $181,387
• Reporting code: F (payment of exercise price or tax liability — share withholding to cover taxes)
• Filing date: 2026-03-02 (no late-filing flag shown in the filing)
• Shares owned after the transactions: not specified in the reported Form 4

Context

• These were withholding/disposition transactions to satisfy tax obligations from equity compensation (typical after an option exercise or vesting). Such tax-withholding disposals are routine and do not necessarily indicate the insider’s view on the company’s stock.